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FINANCIAL INSTRUMENTS (Tables)
12 Months Ended
Dec. 31, 2024
Notes and other explanatory information [abstract]  
Schedule of financial assets
             
   December 31, 
   2023   2024   2024 
   CNY   CNY   US$ 
             
Debt instruments at amortized cost:               
Trade receivables: current            
Trade receivables: non-current            
Financial assets included in other receivables   3    15    2 
Financial assets at fair value through other comprehensive income:               
Bills receivable            
                
Total   3    15    2 
                
Total current   3    15    2 
Total non-current            
Schedule of financial liabilities
             
   December 31,   December 31,   December 31, 
   2023   2024   2024 
    CNY    CNY    US$ 
                
Derivatives not designated as hedging instruments:               
Derivative financial liabilities (i)       3,996    548 
Financial liabilities at amortized cost:               
Trade payables   100    280    38 
Financial liabilities in other payables and accruals   7,864    3,536    485 
Lease liabilities   360         
Due to related companies   9,069    11,361    1,557 
Due to the Shareholder   85,673    78,567    10,766 
                
Total   103,066    97,740    13,394 
                
Total current   103,066    19,173    2,628 
Total non-current       78,567    10,766 

 

(i)This represents certain warrants issued to institutional investors on February 21, 2024, which was recognized as derivative financial liabilities (not designated as hedging instruments) with a fair value of CNY6,134 (US$843)* on the issue date as the investors have the right to exercise their warrants on a cashless basis. In accordance with IAS 32, a contract settled by a single net payment (generally referred to as net cash-settled or net equity-settled as the case may be) is a financial liability and not an equity instrument. The fair value gain of derivative financial liabilities for the year ended December 31, 2024 was CNY2,138 (US$293).